Emerson White-Rodgers 50E47-843 Instrucciones De Instalación página 4

INSTALLATION
INSTALL PROGRAM KEY
The control replaces all listed models with the following
features:
OPERATION
TYPICAL FURNACE INSTALLATION
the ignitor and gas valve and monitor the flame sensor. It
burner does not light within the trial for ignition period. The
thermostat. The thermostat applies power to the control.
TROUBLESHOOTING
For proper control operation, the control must be electrically
connected to the gas valve and all the ignitor wiring connec-
must have the switch set to "ON".
The light on the control provides a self-diagnosis indication.
If the red light on the module is on continuously, the fault is
the line or 24 volt thermostat power for a few seconds and
then restore. If the internal fault is indicated again, and flame
4
-
LED Condition
Normal
Solid On
Rapid Flashing
Red
Rapid Flash Flame sensed when
there should be none
Red
1 Flash Ignition retries exceeded
Red
2 Flash Ignition recycles exceeded
Yellow
Solid On
Yellow Improper Polarity
Rapid Flashing
OFF Internal Failure
Red
Solid On Internal error detected
Specifications section of this installation manual. Choose the
the slot on the left side of the module (see figure 4 on page 3).
If the module you are replacing is not listed in the Cross
Reference, contact the manufacturer of the appliance for a
recommended replacement or retrofit.
module.
Reversal of gas valve leads or open connection to MV1 and
for remedy.
trial for ignition period. If the burner lights within the allowed
period the gas valve will remain open until the call for heat
is satisfied. During the trial for ignition period the ignitor is
turned off. If the burner does not light, the control will either
by cycling the thermostat to remove power for a minimum of
internal control fault.
components or wiring (see chart below). Proceed as follows:
1. The ignitor will warm up and glow red
2. The main burner flame will ignite
3. The main burner flame will continue to burn after the
ignitor is turned off
three visual indications. The chart on the next page defines
the proper action if any of these indications do not occur.